. The photographic history of the Civil War : thousands of scenes photographed 1861-65, with text by many special authorities . COPRiGhT. REVIEW OF REVIEWS CO. SOLDIERS HV THE TITER PONTOON BIUDOE AT DEEP BOTTOM JAMES RIVER, lH(i|. To construct a pontoon bridge the first boat launched was rowedup-stream a short distance. The anchor was let go. Us rope wasthen paid out sufficiently to drop the boat down into second anchor was dropped a short distance down-stream, if thecurrent proved second boat was placedin position by the same proc-ess. Then the sills of thebridge, ca
. The photographic history of the Civil War : thousands of scenes photographed 1861-65, with text by many special authorities . COPRiGhT. REVIEW OF REVIEWS CO. SOLDIERS HV THE TITER PONTOON BIUDOE AT DEEP BOTTOM JAMES RIVER, lH(i|. To construct a pontoon bridge the first boat launched was rowedup-stream a short distance. The anchor was let go. Us rope wasthen paid out sufficiently to drop the boat down into second anchor was dropped a short distance down-stream, if thecurrent proved second boat was placedin position by the same proc-ess. Then the sills of thebridge, called balk. couldbe placed across by floatingthe second boat alongsidethe first, placing the endsof the balk, usually five innumber, across the then shoving the boalinto position by pushing onthe inner cuds of the ends had heavy cleatsso that they could be en-gaged over the further gun-wale of each boat. The. THE GROUP SHIFTS THE SENTRY RETURNS third boal was then placed in position by repealing the the chess layers commenced. The chess wen- theboards forming the Mooring of the bridge After the floor waslaid the side rails, visible on the top of the flooring, were laid, and lashed to the balk throughslit s which Were left betweenthe boards for that stiffened the wholestructure and held the floorin place. Usually an up-stream anchor was necessar)mi every boat, and a down-stream anchor on everysecond or third. The floorof the bridge was usuallycovered with earth or straw to deaden the sound and prc- scr\e the cheSS, In these two photographs the engi-neers are just completing a bridge across the James.
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License: Licensed
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Keywords: ., bookauthormillerfrancistrevelya, bookcentury1900, bookdecade1910
